Plant Care Old Man of the Mountains

Old Man of the Mountains

Taxonomy

Oreocereus trollii
Oreocereus

How to care for Old Man of the Mountains

Water

How often to water your Old Man of the Mountains

Water needs for Old Man of the Mountains
0.5 cups
every 12

Old Man of the Mountains needs 0.5 cups of water every 12 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Calculate water needs of Old Man of the Mountains

Water 0.5 cups every
12

Does your plant get direct sunlight?

Select the pot size

5"
Light

Check the growing potential in your area

A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for Old Man of the Mountains in your home

Light needs and placement for plant Old Man of the Mountains: 3ft from a window
3ft or less from
a window

Old Man of the Mountains may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.

Place it less than 3 feet from a south-facing window to maximize the potential for growth.

Select your region to see how the current weather in your area affects the placement of Old Man of the Mountains in your home 🏡.

Nutrients

How to fertilize Old Man of the Mountains

Nutrient, fertilizer, and repotting needs for Old Man of the Mountains: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your Old Man of the Mountains after it doubles in size or once a year—whichever comes first.

Care Summary for Old Man of the Mountains

Old Man of the Mountains

Old Man of the Mountains


Greg recommends:

Water

0.5 cups every 12 days

Placement

< 3ft from a window

Nutrients

Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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